20939954

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12569}}^1$

素因数の和:12602

約数の個数: 24

約数和(自身を含む): 38690460

約数和(自身を除く): 17750506

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12569, 25138, 87983, 175966, 213673, 427346, 615881, 1231762, 1495711, 2991422, 10469977, 20939954]

約数ペア:

[(1, 20939954), (2, 10469977), (7, 2991422), (14, 1495711), (17, 1231762), (34, 615881), (49, 427346), (98, 213673), (119, 175966), (238, 87983), (833, 25138), (1666, 12569)]